The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?
A. S-Block
B. P-Block
C. d-Block
D. f-Block
A. S-Block
B. P-Block
C. d-Block
D. f-Block
A. 1
B. 2
C. 14
D. 18
Which group contains elements that exist as monoatomic molecule? Read More »
Chemistry Mcqs A. Lother Meyer
B. A.E de Chancourtois
C. Newland
D. Dobereiner
The concept of telluric helix was developed by___________? Read More »
Chemistry Mcqs A. Li, Be, B
B. F, Cl, Br
C. Cl, Br, I
D. Na, K, Rb
The law of traids is applicable to__________? Read More »
Chemistry Mcqs A. CO2
B. CH3CHO
C. COC2
D. HCN
Grignard reagent gives carboxylic acid with____________? Read More »
Chemistry Mcqs A. H2O
B. CH3OH
C. Both a and b
D. None of the above
Hydrocarbon is formed when Grignard reagent is treated with___________? Read More »
Chemistry Mcqs A. CH3Br
B. CH3CH2Br
C. CH3CH2CH2Br
D. (CH3)3CBr
Which of the following haloalkane is hydrolysed by SN1 mechanism? Read More »
Chemistry Mcqs A. CH4
B. CO2
C. C2H4
D. Xe
The density of a gas is 1.964 g dm-3 at 273 K and 76 cm Hg. The gas is _________? Read More »
Chemistry Mcqs A. 546 °C
B. 546 K
C. 200°C
D. 273 K
A. Double
B. Same
C. Half
D. Four times