1.

Fill in the blanks with the correct word from the brackets:1. The bond between two elements in group 17(VTIA) of the periodic table is likely to be…………. (ionic/covalent)2. In the reaction of CL, + 2KI → 2KCl + I2 the conversion of 21 to I2 is deemed as………… (oxidation/reduction)3. The covalent molecule containing three single covalent bonds is………. (water/methane/ammonia)4. The molecule of water combines with a………… (hydrogen atom/proton/hydrogen molecule) to form a hydronium ion.5. For formation of an electrovalent bond between elements ‘X’ and ‘Y’ which are a metal and non-metal respectively,X should have a………… (high/low) ionization potential and‘Y’ a………. electron affinity

Answer»

1. The bond between two elements in group 17(VILA) of the periodic table is likely to be ionic.

2. In the reaction of Cl2 + 2K1→ 2KCl +I2 the conversion of 21 to I2 is deemed as oxidation.

3. The covalent molecule containing three single covalent bonds is ammonia.

4.  The molecule of water combines with a proton to form a hydronium ion.

5.  For formation of an electrovalent bond between elements ‘X’ and ‘ Y’ which are a metal and non-metal respectively, X should have a low ionization potential and ‘Y’ a high electron affinity



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