Questions

NH3, Ammonia is a neutral compound as the individual oxidation numbers elements that make up the compound NH3 are Nitrogen (N) and Hydrogen (H) sum to zero. 

We do not speak of the oxidation number of a molecule. We can speak of the oxidation numbers of the individual elements that make up the compound.

Here the oxidation number of Nirogen is -3 and that of Hydrogen is +1.

Now, NH3 = 1(-3) + 3(+1) = -3 + 3 = 0.

‘Sitting on the fence’ is the correct idiom used. It is used to describe a person’s lack of decisiveness, neutrality or hesitance to choose between two sides in an argument or a competition, or inability to decide due to lack of courage. Thus, the sentence is grammatically and contextually correct. Thus, the correct formation would be, ‘Decide one way or the other; you can’t be sitting on the fence forever’.

Capital structure is a term which is referred to be the mix of sources from which the long term funds are required for business purposes which are raised to improve the capital of the company. To fund an organization plan this capital structure is required which is the combination of debt and equity. The management ensures the capital structure accesses which are needed to fund future growth and enhance financial performance. The principles of capital structure management which are essentially required are as follows:-

1) Cost Principle

2) Risk Principle

3) Control Principle

4) Flexibility Principle

5) Timing Principle

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