Advertisements
Advertisements
प्रश्न
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Advertisements
उत्तर
Formula of compound when combined with sulphur - MS
Formula of compound when combined with chlorine - MCl2
APPEARS IN
संबंधित प्रश्न
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
How many atoms of each kind are present in the following molecule:
Calcium oxide
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
State one observation which shows that atom is not indivisible.
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
Explain
Octet rule for the formation of sodium chloride
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reduction.
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
