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Standard IX

Chemistry

Valency to Chemical Formula

Which of thes...

Question

Which of these substances are basic in nature?
(i) $C a C O_{3}$
(ii) $N a H C O_{3}$
(iii) $N H_{3}$
(iv) $K O H$
(v) $M g C l_{2}$

(i), (ii), (iii), (iv)

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(i), (ii), (iv), (v)

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(iii), (iv)

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(iv)

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Solution

The correct option is A (i), (ii), (iii), (iv)
Carbonates and bicarbonates, ammonia and hydroxides are basic in nature.

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Similar questions

Q. Identify the basic substances:
(i)

C a C O_{3}

(ii)

N a H C O_{3}

(iii)

N H_{3}

(iv)

K O H

(v)

M g C l_{2}

Identify which of these are basic:
(i) $C a C O_{3}$
(ii) $N a H C O_{3}$
(iii) $N H_{3}$
(iv) $K O H$
(v) $M g C l_{2}$

Q. Identify which of these are basic:

(i)

C a C O_{3}

(ii)

N a H C O_{3}

(iii)

K O H

(iv)

M g C l_{2}

(v)

N a O H

(vi)

C H_{3} C O O H

Innucleophilic addition reactions, the reactivities of carbonyl compounds NO₂CH₂CHO(I), ClCH₂CHO(II), CH₃CHO(III) and CH₃CH₂CHO (IV) are in the order of

Q. The decreasing order of acidic character of the following is:
I.

C H_{3} S H

II.

C H_{3} O H

III.

H_{2} O

IV. EtOH

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Which of these substances are basic in nature? (i) CaCO3 (ii) NaHCO3 (iii) NH3 (iv) KOH (v) MgCl2

The correct option is A (i), (ii), (iii), (iv)Carbonates and bicarbonates, ammonia and hydroxides are basic in nature.

Which of these substances are basic in nature?
(i) $C a C O_{3}$
(ii) $N a H C O_{3}$
(iii) $N H_{3}$
(iv) $K O H$
(v) $M g C l_{2}$

The correct option is A (i), (ii), (iii), (iv)
Carbonates and bicarbonates, ammonia and hydroxides are basic in nature.