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Chemistry MCQs

Which one of the following looks odd__________________?

April 15, 2025 by admin
A. H2SO4
B. KMnO4
C. H2S
D. K2CrO4
Categories Chemistry MCQs Leave a comment

In 1 – pentene -4- yne the carbon exhibit hybridization_________________?

April 15, 2025 by admin
A. sp3 – sp2
B. sp2 – sp
C. sp2 – sp
D. sp3 – sp2 – sp
Categories Chemistry MCQs Leave a comment

When benzene is heated in air with V2O5 at 450°C yields_________________?

April 15, 2025 by admin
A. Phenol
B. Maleic anhydride
C. Glyoxal
D. Benzoic acid
Categories Chemistry MCQs Leave a comment

Which one of the following will be sulphonated readily ?

April 15, 2025 by admin
A. Chlorobenzene
B. Toluene
C. Nitrobenzene
D. Benzene
Categories Chemistry MCQs Leave a comment

When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

April 15, 2025 by admin
A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid
Categories Chemistry MCQs Leave a comment

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

April 15, 2025 by admin
A. n. butane
B. Ethanol
C. Ethane
D. Diethy1 ether
Categories Chemistry MCQs Leave a comment

For industrial preparation of CH3CHO catalytic promoter is_________________?

April 15, 2025 by admin
A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2
Categories Chemistry MCQs Leave a comment

The mass of one mole of electron is________________?

April 15, 2025 by admin
A. 1.008
B. 0.55
C. 0.184
D. 1.637
Categories Chemistry MCQs Leave a comment

The number of atoms in a molecule determines________________?

April 15, 2025 by admin
A. macromolecule
B. macromolecule
C. molecularity
D. atomicity
Categories Chemistry MCQs Leave a comment

Which element has same isotopes like palladium___________________?

April 15, 2025 by admin
A. Nickel
B. Calcium
C. Cadmium
D. Tin
Categories Chemistry MCQs Leave a comment
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