List of top Chemistry Questions

If we use molten NaCl, the products of electrolysis are ____.

Match List -I with List-II

	List -I		List-II
A	Urease	I	Maltose
B	Maltase	II	Glucose and Fructose
C	Invertase	III	NH3 and CO2
D	Diastase	IV	Glucose

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Coagulating power of an ion for a colloid solution depends on

Which of the following sols are correctly matched with their corresponding charges?
(A) Cr(OH)₃ sol: negatively changes sol
(B) TiO₂ sol: positively charges sol
(C) CdS sol : positively charged sol
(D) Gum : negatively sol
(E) Silver sol : positively charged sol
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When blood cells are placed in 1%(W/V) NaCl aquem solution

Inner orbital complex among the following is :
(A) $[Co(NH_3)_6]^{3+}$
(B) $[CoF_6]^{3-}$
(C) $[Ni(CN)_4]^{2-}$
(D) $[MnCl_6]^{3-}$
(E) $[FeF_6]^{3-}$
Choose the correct answer from the options given below:

The presence or absence of hydroxyl group on which carbon atom of sugar differentiate RNA and DNA:

When dilute aqueous solution of KI (excess) is added to AgNO₃ solution, the charge on the Agl colloidal, particles formed will be

Match List -I with List-II

	List -I		List-II
A	Kaolinite	I	FeCO3
B	Siderite	II	ZnCO3
C	Malachite	III	[AL2(OH)4Si2 O5]
D	Colamine	IV	CuCO3.Cu(OH)2)

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Second most student element in alloy misch metal is:

t_99.9% with respect to t_99% for a first order reaction is:

$[NiCl_2(PPh_3)_2]$ is named as:

Which of the following is incorrect?

Which of the following haloalkanes reacts with aqueous KOH most easily?

Match List -I with List-II

	List -I		List-II
A	Gel	I	Hair cream
B	Foam	II	Dust
C	Emulsion	III	Cheese
D	Aerosol	IV	Whipped cream

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Which of the following is not a heavy metal? 1

Osmotic pressure of solution formed by mixing 50 ml of 0.2 M urea and 50 ml of 0.4 m glucose aqueous solution at 298 K will be : (R=0.083 L atm K^-1 mol^-1)

In a reaction:\( MnO_4^- + 8H^+ + 5e \, \overset{A}⇢ + H_2O\)
A stands for:

What is the packing efficiency of simple cubic lattice?

Match List -I with List-II

	List -I		List-II
A	Antifreeze used in car engine	I	Phenol
B	Starting material for picric acid	II	Glycerol
C	Wood spirit	III	Ethylene glycol
D	By product of soap industry used in cosmetics	IV	Methanol

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A divalent ion of ‘V’ (Atomic No.-23) in aqueous solution is:

In which of the following molecules carbon atom marked with asterix (*) is a stereocentre or Chiral centre ?

Rate of a reaction changes from 2.48 x 10^-3 mol sec^-1 to 4.96x 10^-3 mol sec^-1 when concentration of reactant, is changes from 0.6M to 2.4 M respectively, the order of reaction is

E_cell for the given cell pt(s)/Br₂(1)/Br^-(0.1 M)//Cl^-(0.01 M)/Cl₂(g) (1 atm)/Pt(s) [Given E_br2/Br-=+1.09 V,E Cl₂/Cl-=1.36 V] at 298 K is

During electrolysis of acidified water. 2.8 Litre of oxygen gas is released (at STP). The charge passed through the anode is -