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A shining metal ‘M’, on burning gives a dazzling white flame and changes to a white powder ‘N’. (a) Identify ‘M’ and ‘N’. (b) Represent the above reaction in the form of a balanced chemical equation. (c) Does ‘M’ undergo oxidation or reduction in this reaction? Justify.

(a) According to the question, the metal  ''M'' is the magnesium metal and the white powder ''N'' is magnesium oxide. Magnesium is the most... View Article

Assertion (A): Carbon has a strong tendency to either lose or gain electrons to attain noble gas configuration. Reason (R): Carbon has four electrons in its outermost shell and has the tendency to share electrons with carbon or other elements. (i) Both (A) and (R) are true and (R) is correct explanation of the assertion (A). (ii) Both (A) and (R) are true, but (R) is not the correct explanation of the assertion (A). (iii) (A) is true, but (R) is false. (iv) (A) is false, but (R) is true.

(iv) (A) is false, but (R) is true. Carbon does not have a strong tendency to either lose or gain electrons to attain noble gas configuration.... View Article