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Hydrogen Bonding

Which of the ...

Question

Which of the hydrated species can exist?
$I : H_{5} O_{2}^{+} I I : H_{3} O^{+} I I I : H_{3} O_{2}^{-} I V : H_{7} O_{3}^{+}$
Select alternate from:

I I

only

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I

and

I I

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I, I I

and

I V

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I, I I, I I I

and

I V

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Solution

The correct option is C $I, I I, I I I$ and $I V$
Water on self ionization form $H_{3} O^{+}$ ions.Water in strong acid also lead to formation of $H_{5} O_{2}^{+}$ , $H_{3} O_{2}^{-}$ and $H_{7} O_{3}^{+}$ .In strong acid $H_{3} O^{+}$ is unstable.

Suggest Corrections

Similar questions

H_{5} O_{2}^{+}

H_{3} O^{+}

H_{3} O_{2}^{-}

H_{7} O_{3}^{+}

(I) N i (C O)_{4}

(I I) F e (C O)_{5}

(I I I) V (C O)_{6}

(I V) C r (C O)_{6}

Digital signals

(i) Do not provide a continuous set of values,

(ii) Represent values as discrete steps,

(iii) Can utilize binary system, and

(iv) Can utilize decimal as well as binary systems.

Which of the above statements are true?

(a) (i) and (ii) only

(b) (ii) and (iii) only

(d) All of (i), (ii), (iii) and (iv).

Which of the following process / processes release heat ?
(i) condensation (ii) vaporisation (iii) freezing (iv) melting

(a) only (i) (b) only (iv) (c) (i) and (iii) (d) (ii) and (iv)

C l O_{4}^{-}

B F_{3}

S O_{4}^{2 -}

C O_{3}^{2 -}

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