List of top Chemistry Questions

Which of the following could not be a rate determining step?

The correct statement about d-block elements, is

Which of the following will not form propionaldehyde?

Match List I with List II

List-I		List-II
(A)	Oxidation state of Mn in MnO2 is	(I)	+2
(B)	Most stable oxidation state of Mn is	(II)	+3
(C)	Most stable oxidation state of Mn in \(MnO_{4}^{-}\) is	(III)	+4
(D)	Characteristic oxidation state of  lanthanoids is	(IV)	+7

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Ferric oxide in blast furnace's upper half is mainly reduced by:

Identify transition metal complexes which are not octahedral in shape.
(A) $[Co(NH_3)_6]^{3+}$
(B) $[Ni(CO)_4]$
(C) $[COCI(NH_3)_5]^{2+}$
(D)$ [CoCl_2(NH_3)_4]^{+}$
(E)$[PtCl_4]^{2-}$
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A divalent ion of ‘V’ (Atomic No.-23) in aqueous solution is:

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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Second most student element in alloy misch metal is:

Degree of dissociation, when molar conductivity of X at its concentration C is 24.14 and its limiting molar conductivity is 48.28 will be

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:

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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Which of the following is incorrect?

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

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

What is the packing efficiency of simple cubic lattice?

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

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

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

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

Which is the only metal that is Liquid at room Temperature?

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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