When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid B. o-nitrophenol C. 1 3 5 -trinitro benzene D. p-nitrophenol
Chemistry MCQs
Which compound shows hydrogen bonding ?
A. C2H6 B. C2H5Cl C. CH3OCH3 D. C2H5OH
Methyl alcohol is not used__________________?
A. As a solvent B. As an antifreezing agent C. As a substitute for petrol D. For denaturing of ethyl alcohol
An alcohol which can be prepared by fermentation is_________________?
A. CH3OH B. C3H7OH C. CH3 – CH2 – OH D. C6H5OH
When alcohol reacts with phosphorous halides it geive____________________?
A. alkyl halides B. alkyl amine C. alkanes D. alkynes
Which one of the following compound does not have – OH group___________________?
A. ethylene glycol B. glycerol C. picric acid D. ethyl acetate
Ethers show functional group isomerism with __________________?
A. aldehydes B. ketones C. alcohols D. carboxylic acid
Which one of the following is also known as lactic acid ?
A. 3-Hydroxy propanoic acid B. 2-Hydroxy propanoic acid C. 2-hydroxy butanoic acid D. 3-hydroxy butanoic acid
The easy way of balancing the chemical equation is_________?
A. according to atom’s atomic number. B. According to atom’s atomic mass. C. First we balance Metal than non-metal than Hydrogen than Oxygen. D. None of the above
Which of the following noble gases is not present in atmosphere?
A. Argon B. Helium C. Radon D. Xenon