SUBHASH PUBLICATION|Exercise VALUE BASED QUESTIONS|8 Videos
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a] Lithium, sodium, and potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements? b] Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?
(a) Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarly in the atoms of these elements ? (b) Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common ?
Name the metal which reacts with a very dilute HNO_(3) to evolve hydrogen gas.
What is the reason that sodium reacts with water more vigorously than lithium?
Zinc liberates hydrogen gas when reacted with dilute nitric acid whereas copper does not. Why ?
Lithium, sodium and potassium form a Dobereiner's triad. The atomic masses of lithium and potassium are 7 and 39 respectively. Predict the atomic mass of sodium.
An organic compound has the formula C4H10O. It reacts with metallic sodium liberating hydrogen. (i) Write down the formula of three possible isomers of the compound which are similar and react with sodium. (ii) What will be the product if any one of the isomers reacts with acetic acid ?
SUBHASH PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-VALUE BASED QUESTION
