Which of the following statements about a chemical system in equilibrium is correct/ The
Which of the following statements about a chemical system in equilibrium is correct/ The A. reaction is irreversible…
Browsing Category
Answers
44896 posts
A gaseous mixture contains 0,256 g of hydrogen and 2.00 g of oxygen. The mole…
A gaseous mixture contains 0,256 g of hydrogen and 2.00 g of oxygen. The mole ration of hydrogen…
The oxidation number of sulphur in Fe2(SO4)3 is
The oxidation number of sulphur in Fe2(SO4)3 is A. +2. B. +3 C. +4. D. +6. Correct Answer:…
How many lone pair (s) of electrons is present in HF?
How many lone pair (s) of electrons is present in HF? A. o B. 1 C. 2 D.…
An aqueous solution of Na2CO3 is
An aqueous solution of Na2CO3 is A. acidic B. alkaline C. amphoteric D. neutral Correct Answer: Option B…
An atom W has 17 electrons and 18 neutrons. Which of the following representations of…
An atom W has 17 electrons and 18 neutrons. Which of the following representations of the atom is…
The relative atomic mass of chlorine is not a whole number because
The relative atomic mass of chlorine is not a whole number because A. it is the weighted average…
NH4- is formed from NH3 and H- by
NH4– is formed from NH3 and H– by A. covalent bonding B. dative bonding C. hydrogen bonding D.…
The electron configuration of 26Fe3+ is
The electron configuration of 26Fe3+ is A. [Ar]4s23d6 B. [AR]4s23d3 C. [AR]4s13d4 D. [AR]4s03d5 Correct Answer: Option A…
Which of the following transition metals is not attracted to external magnetic field?
Which of the following transition metals is not attracted to external magnetic field? A. Cu B. Fe C.…