Which of the following is a weak acid?

H_{2} T e

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H_{2} S e

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H_{2} S

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H_{2} P o

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Solution

The correct option is C $H_{2} S$
Metallic character increases towards down the group, so basicity increases in a group from top to bottom.

$∴$ $H_{2} S$ is a weak acid.

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Similar questions

H_{2} E

(E = O, S, S e, T e a n d P o

H_{2} S, H_{2} O, H_{2} S e, H_{2} T e

H_{2} S, H_{2} O, H_{2} S e, H_{2} T e

H_{2} O < H_{2} T e < H_{2} S e < H_{2} S

H_{2} O > H_{2} T e > H_{2} S e > H_{2} S

H_{2} O > H_{2} S > H_{2} S e > H_{2} T e

I

H_{2} S, H_{2} S e

H_{2} T e

I I

H_{2} S, H_{2} S e

H_{2} T e

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