The IUPAC nomenclature of the compound LiAlH4 is?
lithiumtetrahydridoaluminate (III)
aluminium tetrahydrido lithium
tetrahydrido lithium aluminate (III)
lithium aluminium hydride
Correct answer is A
No explanation has been provided for this answer.
HNO3(aq)
H2O(l)
PH3(g)
AgNO3(aq)
Correct answer is C
Phosphorus(iii)hydride is a strong reducing agent which reduces solution of silver or copper(ii)salts to the metals or phosphides.
Which of the following salts is slightly soluble in water?
AgCl
CaSO4
Na2CO3
PbCl2
Correct answer is B
All sulfates are soluble except those of barium, strontium and lead. Calcium sulfate, silver sulfate and mercurous sulfate are slightly soluble in water, but calcium sulfate is rarely precipitated in reactions between the calcium and sulfate ions.
The colour of methyl orange in alkaline medium is?
yellow
pink
orange
red
Correct answer is A
Methyl orange has the property to color alkaline and neutral water yellow.
Calculate the volume of 0.5 mol dm-3 H2So4 that is neutralized by 25 cm3 of 0.1 mol dm-3 NaOH?
5.0 cm3
2.5 cm3
0.4 cm3
0.1 cm3
Correct answer is B
No explanation has been provided for this answer.