surrounded a) tetrahedrally by hydrogen atoms b) octahedrally by oxygen and hydrogen atoms c) tetrahedrally by hydrogen and oxygen atoms d) octahedrally by hydrogen atoms . The type of H-bonding present in ortho nitro phenol and p-nitro phenol are respectively a) inter molecular H-bonding and intra molecular H-bonding b) intra molecular H-bonding and inter molecular H-bonding c) intra molecular H - bonding and no H - bonding d) intra molecular H - bonding and intra molecular H - bonding 11th Std Chemistry 11th Std Chemistry - - - - . Heavy water is used as a) moderator in nuclear reactions b) coolant in nuclear reactions c) both (a) and (b) d) none of these . Water is a a) basic oxide b) acidic oxide c) amphoteric oxide d) none of these II.
Write brief answer to the following questions: . Explain why hydrogen is not placed with the halogen in the periodic table. . Discuss the three types of Covalent hydrides.
. Predict which of the following hydrides is a gas on a solid (a) HCl (b) NaH. Give your reason. .
Write the expected formulas for the hydrides of 4th period elements. What is the trend in the formulas? In what way the first two members of the series different from the others ? .
Write chemical equation for the following reactions. i) reaction of hydrogen with tungsten (VI) oxide on heating. ii) hydrogen gas and chlorine gas. .
Complete the following chemical reactions and classify them in to (a) hydrolysis (b) redox (c) hydration reactions. i) KMnO + H O → ii) CrCl + H O → iii) CaO + H O → . Hydrogen peroxide can function as an oxidising agent as well as reducing agent. substantiate this statement with suitable examples.
11th Std Chemistry 11th Std Chemistry - - - - . Do you think that heavy water can be used for drinking purposes ? . What is water-gas shift reaction ?