KVS PGT Chemistry Previous year Question Paper Pdf
केवीएस पीजीटी रसायन विज्ञान पिछले साल प्रश्न पत्र पीडीएफ – KVS PGT Chemistry की तैयारी करने के लिए उम्मीदवारों को प्रैक्टिस सेट मॉक टेस्ट ऑनलाइन टेस्ट इत्यादि की जरूरत पड़ेगी. जिससे कि वह अपनी परीक्षा की तैयारी ज्यादा अच्छे से कर पाए. KVS PGT Chemistry की तैयारी करने वाले सभी उम्मीदवारों के लिए इस पोस्ट में kvs pgt chemistry previous papers pdf kvs pgt chemistry model paper दिया गया हैं. यह प्रश्न पहले KVS PGT Chemistry की परीक्षा में आते रहते है. ध्यान से पढिए ,यह आपके लिए बहुत फायदेमंद होंगें .
[su_accordion] In Cu(s)| Cu2+ (aq)||Ag+(aq)|Ag(s) Which of the following statements is correct?
[/su_accordion](A) Cell reaction is: Cu2+ (aq) + 2Ag(s) → Cu(s) + 2Ag+(aq)
(B) Silver electrode acts as anode and copper electrode acts as cathode
(C) Silver electrode acts as cathode and copper electrode act as anode
(D) E cell = E left – E right
[su_spoiler title=”Answer”]Silver electrode acts as cathode and copper electrode act as anode
[/su_spoiler][su_accordion] What type of reaction takes place when (CH 3) 3 C Br reacts with aqueous sodium hydroxide?
[/su_accordion](A) S N2 reaction
(B) Addition reaction
(C) Elimination reaction
(D) S Nl reaction
[su_spoiler title=”Answer”]S Nl reaction
[/su_spoiler][su_accordion] In the reaction: CO(g) + 2H 2(g) → CH 3OH(g)
How many molecules of H 2 would be needed to consume 2 mol of CO?
[/su_accordion](A) 2 molecules
(B) 1.2 x 1024 molecules
(C) 2.4 x 1024 molecules
(D) 4 molecules
[su_spoiler title=”Answer”]2.4 x 1024 molecules
[/su_spoiler][su_accordion] An element is in M3+ form, its electronic configuration is [Ar]3d’, the ion is:
[/su_accordion](A) Sc3+
(B) Ti3+
(C) Ti4+
(D) Ca2+
[su_spoiler title=”Answer”] Ti3+
[/su_spoiler][su_accordion] 5. For which one of the following properties of halogens, the sequence F> Cl > Br> I holds good?
[/su_accordion](A) Boiling point
(B) Electron affinity
(C) Electronegativity
(D) Atomic radius
[su_spoiler title=”Answer”]Electronegativity
[/su_spoiler][su_accordion] In Fe(CO) 5 the Fe – C bond possesses:
[/su_accordion](A) σ character only
(B) π character only
(C) Both π and σ characters
(D) Ionic character
[su_spoiler title=”Answer”] Both π and σ characters
[/su_spoiler][su_accordion] The theoretical molar mass is less than the value as determined from colligative property when i(Van’t Hoff factor) is:
[/su_accordion](A) > 2
(B) < 1
(C) = 1
(D) > 1
[su_spoiler title=”Answer”]< 1
[/su_spoiler][su_accordion] Which of the following oxides of nitrogen is most thermally stable?
[/su_accordion](A) N2O3
(B) N2O5
(C) NO
(D) N2O
[su_spoiler title=”Answer”]NO
[/su_spoiler][su_accordion] The strongest base in liquid ammonia is:
[/su_accordion](A) N2H4
(B) NH3
(C) NH [katex]_{2}^{-}[/katex]
(D) NH [katex]_{4}^{+}[/katex]
[su_spoiler title=”Answer”] NH [katex]_{2}^{-}[/katex]
[/su_spoiler][su_accordion] Molecular weight of oxalic acid is 126. The weight of oxalic acid required to neutralise 100 mL of normal solution of NaOH is:
[/su_accordion](A) 63 g
(B) 6.3 g
(C) 126 g
(D) 530 g
[su_spoiler title=”Answer”]6.3 g
[/su_spoiler][su_accordion] Which one of the following is the most easily soluble in water?
[/su_accordion](A) BaSO4
(B) BeSO4
(C) CaSO4
(D) SrSO4
[su_spoiler title=”Answer”]BeSO4
[/su_spoiler][su_accordion]Which of the following sets of ions represents the collection of isoelectronic species?
[/su_accordion](A) Na+, Mg2+, AI3+, CI–
(B) K+, CI–, Mg2+, Sc3+
(C) Na+, Ca2+, Sc3+, F–
(D) K+, Ca2+, Sc3+, Cl–
[su_spoiler title=”Answer”]K+, Ca2+, Sc3+, Cl–
[/su_spoiler][su_accordion] How many σ and л bonds are there in the molecule (CN)2C=C(CN)2?
[/su_accordion](A) Nine σ and nine л
(B) Nine σ and seven л
(C) Five σ and nine л
(D) Five σ and eight л
[su_spoiler title=”Answer”] Nine σ and nine л
[/su_spoiler][su_accordion] Stereo isomers which are not mirror images and are not superimposable to one and another, are called:
[/su_accordion](A) Tautomers
(B) Diastereomers
(C) Enantiomers
(D) Mesomers
[su_spoiler title=”Answer”]Diastereomers
[/su_spoiler][su_accordion] Which of the following statement is not correct to explain the effect of catalyst on rate of reaction?
[/su_accordion](A) A catalyst does not change equilibrium constant of a reaction
(B) A catalyst reduces the activation energy between reactants and products provides an alternate reaction
(C) A catalyst mechanism
(D) A catalyst alters the Gibbs energy of a reaction
[su_spoiler title=”Answer”] A catalyst alters the Gibbs energy of a reaction
[/su_spoiler][su_accordion] In the reaction
2H2(g) + O2(g) → 2H2O(1)
The stoichiometry tells that the hydrogen and oxygen react to produce water in the mass ratio of:
[/su_accordion](A) 4 32
(B) 21
(C) 4:2
(D) 4 16
[su_spoiler title=”Answer”] 4 32
[/su_spoiler][su_accordion] Which of the following pairs will have effective magnetic moment equal?
[/su_accordion](A) Ti2+ and V2+
(B) Cr3+ and Mn2+
(C) Cr2+ and Fe2+
(D) V2+ and Sc3+
[su_spoiler title=”Answer”]Cr2+ and Fe2+
[/su_spoiler][su_accordion] Which one of the following first series of transition elements has 5 unpaired electrons in its +2 oxidation state?
[/su_accordion](A) Co(27)
(C) Cr(24)
(B) V(23)
(D) Mn(25) is:
[su_spoiler title=”Answer”]Mn(25) is:
[/su_spoiler][su_accordion] IUPAC name of [Pt(NH3),Br(NO2)CIJCI
[/su_accordion](A) Triamminonitrochlorobromoplatinum (IV)
(B) Triamminochlorobromonitro chloro- chloride platinum(IV) chloride
(C) Triamminobromochloronitroplatinum (IV) chloride
(D) Triamminochlorobromonitroplatinum (IV) chloride
[su_spoiler title=”Answer”]Triamminobromochloronitroplatinum (IV) chloride
[/su_spoiler][su_accordion] Fehling solution A and Fehling solution B are respectively:
[/su_accordion](A) Aqueous copper sulphate and alkaline sodium potassium tartarate
(B) Aqueous copper sulphate and ammoniacal silver nitrate
(C) Alkaline sodium potassium tartarate and aqueous copper sulphate
(D) Ammoniacal silver nitrate and aqueous copper sulphate
[su_spoiler title=”Answer”] Aqueous copper sulphate and alkaline sodium potassium tartarate
[/su_spoiler][su_accordion] Which of the following statements is not correct?
[/su_accordion](A) The value of Henry’s constant K is greater for gases with higher solubility
(B) The value of molal depression constant depends on the nature of solvent
(C) Relative lowering of vapour pressure is a dimensionless quantity
(D) The value of Henry’s constant, KH increases with increase in temperature
[su_spoiler title=”Answer”] The value of Henry’s constant K is greater for gases with higher solubility
[/su_spoiler][su_accordion] Which one of the following statements is not correct?
[/su_accordion](A) ΔG is zero for a reversible reaction
(B) ΔG is positive for a non-spontaneous reaction
(C) ΔG is negative for a spontaneous reaction
(D) ΔG is positive for a spontaneous reaction
[su_spoiler title=”Answer”]ΔG is positive for a spontaneous reaction
[/su_spoiler][su_accordion] In which of the following, concentration value for a solution changes with change in temperature?
[/su_accordion](A) Molality
(B) Mass percentage
(C) Molarity
(D) Mole fraction
[su_spoiler title=”Answer”] Molarity
[/su_spoiler][su_accordion] The IUPAC name of
Foto
[/su_accordion](A) 3, 3-Dimethyl-1-hydroxy cyclohexane
(B) 3, 3-Dimethyl-cyclohexanol
(C) 1, 1-Dimethyl-3-cyclohexanol
(D) 1, 1-Dimethyl-3-hydroxy cyclohexane
[su_spoiler title=”Answer”]3, 3-Dimethyl-cyclohexanol
[/su_spoiler][su_accordion] Which of the following gas is insoluble in water?
[/su_accordion](A) H2
(B) SO2
(C) NH3
(D) CO2
[su_spoiler title=”Answer”]H2
[/su_spoiler][su_accordion] In Bosch’s process for production of hydrogen, the gas used is:
[/su_accordion](A) Water gas
(C) Coal gas
(B) Producer gas
(D) Natural gas
[su_spoiler title=”Answer”]Water gas
[/su_spoiler][su_accordion] In Lassaigne’s test to detect the presence of sulphur in an organic compound, the sodium fusion extract on acidification with acetic acid and lead acetate gives a black precipitate due to:
[/su_accordion](A) Sodium Sulphide
(B) Lead Sulphite
(C) Lead Sulphate
(D) Lead Sulphide
[su_spoiler title=”Answer”]Lead Sulphide
[/su_spoiler][su_accordion]Which of the following statements is not correct?
[/su_accordion](A) The gas equation is not valid at high pressure and low temperature
(B) The gas constant per molecule is known as Boltzmann constant
(C) Molecules of different gases have the same kinetic energy at a given temperature
(D) The product of pressure and volume of a fixed amount of a gas is independent of temperature
[su_spoiler title=”Answer”]The product of pressure and volume of a fixed amount of a gas is independent of temperature
[/su_spoiler][su_accordion] The products formed by reaction between H2S and fluorine are:
[/su_accordion](A) SF4 and HF
(B) SF6 and HF
(C) SF6S and HF
(D) SF2 and HF
[su_spoiler title=”Answer”] SF6 and HF
[/su_spoiler][su_accordion] In the formation of methane from water gas
CO(g) + 3H2(g) CH4(g) + H2O(g),
if the water vapour is removed from the reaction mixture:
[/su_accordion](A) the reaction will move in reverse direction and there will be effective increase in the yield of methane
(B) the reaction will move in forward direction and there will be effective increase in the yield of methane.
(C) the reaction will move in forward direction but there will be effective decrease in the yield of methane.
(D) the reaction will move in reverse direction and there will be effective decrease in the yield of methane.
[su_spoiler title=”Answer”] the reaction will move in forward direction and there will be effective increase in the yield of methane.
[/su_spoiler][su_accordion]You are given standard electrode potential
(E°) Zn2+ /ZN=-0.76 V, Na+/Na = – 2.71 V
Mg2+/Mg= – 2.36 V, K+K = − 2.93 V
Which one is the strongest reducing agent?
[/su_accordion](A) K
(C) Na
(B) Zn
(D) Mg
[su_spoiler title=”Answer”] K
[/su_spoiler][su_accordion] Phenol is more readily soluble in:
[/su_accordion](A) Sodium bicarbonate solution
(B) Dilute HCI
(C) Both NaOH and HCI
(D) NaOH solution
[su_spoiler title=”Answer”]NaOH solution
[/su_spoiler][su_accordion] For the process H2O(l, 1 bar, 373 K) → H2O (g, 1 bar, 373 K), the thermodynamic parameters are:
[/su_accordion](A) ΔG-ve, ΔS = +ve
(B) ΔG= 0, ΔS = +ve
(C)ΔG= 0, ΔS = -ve
(D) ΔG +ve, ΔS = 0
[su_spoiler title=”Answer”]ΔG= 0, ΔS = +ve
[/su_spoiler][su_accordion] 68. Among the following which is the most commonly used reducing agent?
[/su_accordion](A) SnCl2
(B) BeCl2
(C) AICI3
(D) PbCl2
[su_spoiler title=”Answer”]SnCl2
[/su_spoiler][su_accordion]Chlorophyll is:
[/su_accordion](A) a compound that makes CO2 in plants
(B) derived from Haem
(C) a dipyrole pigment
(D) a green pigment containing Mg
[su_spoiler title=”Answer”]a green pigment containing Mg
[/su_spoiler][su_accordion] Isoprene (2-methyl-1, 3-butadiene) is a basic unit of the polymer rubber:
[/su_accordion](A) Buna S rubber
(B) Neoprene rubber
(C) Natural rubber
(D) Buna N rubber
[su_spoiler title=”Answer”]Natural rubber
[/su_spoiler][su_accordion] Hydrolysis of 1 mole of sucrose yields:
[/su_accordion](A) 2 moles of galactose
(B) 1 mole of glucose and 1 mole of galactose
(C) 1 mole of glucose and 1 mole of fructose
(D) 2 moles of glucose only
[su_spoiler title=”Answer”] 1 mole of glucose and 1 mole of fructose
[/su_spoiler]
इस पोस्ट में आपको KVS PGT Chemistry Mock Test 2023 KVS PGT Chemistry 2018 Question Paper KVS PGT Chemistry Previous Year Question Paper Solution kvs pgt chemistry previous year question paper kvs pgt chemistry paper 2017 pdf kvs pgt chemistry solved paper kvs pgt chemistry paper kvs pgt chemistry previous exam paper केवीएस पीजीटी पीजीटी पिछले साल के पेपर से संबंधित काफी महत्वपूर्ण प्रश्न उत्तर दिए गए है यह प्रश्न उत्तर फायदेमंद लगे तो अपने दोस्तों के साथ शेयर करें और इसके बारे में आप कुछ जानना यह पूछना चाहते हैं तो नीचे कमेंट करके अवश्य पूछे.
