dry so2 does not bleach dry flowers because 112032615

Dry $$S{O_2}$$ does not bleach dry flowers because

A. nascent hydrogen responsible for bleaching is produced only in presence of moisture

B. water is the actual reducing agent responsible for bleaching

C. water is stronger acid than $$S{O_2}$$

D. the $$O{H^ - }$$ ions produced by water cause bleaching

Answer : nascent hydrogen responsible for bleaching is produced only in presence of moisture

Solution :
$$S{O_2} + 2{H_2}O \to {H_2}S{O_4} + 2\left[ H \right]$$

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

Releted Question 1

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

A. $${N_2}{O_5}$$

B. $${N_2}{O_4}$$

C. $$N{O_2}$$

D. $${N_2}{O_3}$$

View Answer

Releted Question 2

The temporary hardness of water due to calcium carbonate can be removed by adding —

A. $$CaC{O_3}$$

B. $$Ca{\left( {OH} \right)_2}\,$$

C. $$CaC{l_2}$$

D. $$\,HCl$$

View Answer

Releted Question 3

Which of the following is most stable to heat

A. $$HCl$$

B. $$HOCl$$

C. $$HBr$$

D. $$HI$$

View Answer

Releted Question 4

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

A. Oxidation

B. Reduction

C. oxidation and reduction

D. Neutralisation

View Answer

Dry $$S{O_2}$$ does not bleach dry flowers because

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

The temporary hardness of water due to calcium carbonate can be removed by adding —

Which of the following is most stable to heat

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

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P - Block Elements

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Dry $$S{O_2}$$ does not bleach dry flowers because

Releted MCQ Question on Inorganic Chemistry >> P - Block Elements

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

The temporary hardness of water due to calcium carbonate can be removed by adding —

Which of the following is most stable to heat

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$ This reaction is an example of

Practice More Releted MCQ Question on P - Block Elements

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

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P - Block Elements