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Three pairs of compounds are given below...

Three pairs of compounds are given below. Identify that compound in each of the pairs which has group 13 element in more stable oxidation state. Given reason for your choice. State the nature of bonding also
(a) `TlCl_(3),TlCl`
(b) `AlCl_(3),AlCl`
(c) `InCl_(3),InCl`

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To solve the question, we need to identify which compound in each pair has the group 13 element in its more stable oxidation state, provide reasons for our choice, and state the nature of bonding. Let's break this down step by step. ### Step 1: Understanding Group 13 Elements and Their Oxidation States Group 13 elements include boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl). The common oxidation states for these elements are +1 and +3. - The +1 oxidation state becomes more stable as we move down the group due to the **inert pair effect**. This effect occurs because the outermost s-electrons become less available for bonding as we move down the group, making the +1 state more favorable. ### Step 2: Analyzing Each Pair of Compounds ...
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