Explanation a) KOH KOH is a strong base. The reaction of an acid with strong base forms a salt and water. Thus, HCHO 2 reacts with KOH to form the salt, KCHO 2 and H 2 O . HCHO 2 ( a q ) + KOH ( a q ) → KCHO 2 ( a q ) + H 2 O b) MgO MgO is hygroscopic in nature. The reaction of MgO with acid can be explained in the same manner as other oxides in acid, 2HCHO 2 ( a q ) + MgO ( s ) →</

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ISBN: 9781119497325

Author: JESPERSEN

Publisher: WILEY

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d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.

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Chapter 4, Problem 142RQ

Interpretation Introduction

Interpretation:

The formula of the compounds obtained by the reaction of a weak acid HCHO2 with KOH, MgO, NH3 is to be written.

Concept Introduction:

The property of strong acid is well interpreted in water, that it ionizes completely in water whereas weak acids do not have a tendency to show complete ionization in water.

Acids generally react with bases to form salts and water..

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Chapter 4, Problem 141RQ

Chapter 4, Problem 143RQ

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Solution Summary: The author explains that the formula of the compounds obtained by the reaction of a weak acid is to be written.

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