Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
The number and type of bond between two carbon atoms in calcium carbide are:
Answer: C. One sigma and two pi The number and type of bonds between two carbon atoms in calcium carbide are one sigma and two pi.
Answer: C. One sigma and two pi
See lessThe number and type of bonds between two carbon atoms in calcium carbide are one sigma and two pi.
How many sigma and pi bonds are there in tetra cyano ethylene molecule?
Answer: B. Nine sigma and nine pi-bonds Nine sigma and nine pi-bonds are there in tetra cyano ethylene molecules.
Answer: B. Nine sigma and nine pi-bonds
See lessNine sigma and nine pi-bonds are there in tetra cyano ethylene molecules.
On hybridisation of one s and one p-orbital, we get:
Answer: A. Two orbitals at 180° On hybridisation of one s and one p-orbital, we get two orbitals at 180°.
Answer: A. Two orbitals at 180°
See lessOn hybridisation of one s and one p-orbital, we get two orbitals at 180°.
The ice cubes fuse together, when they are placed over one another. The forces responsible for binding them together is:
Answer: A. Hydrogen bond The ice cubes fuse together, when they are placed over one another. The forces responsible for binding them together is hydrogen bond.
Answer: A. Hydrogen bond
See lessThe ice cubes fuse together, when they are placed over one another. The forces responsible for binding them together is hydrogen bond.
The d-block elements form alloys among themselves because:
Answer: A. Their atomic size are nearly the same The d-block elements form alloys among themselves because their atomic size are nearly the same.
Answer: A. Their atomic size are nearly the same
See lessThe d-block elements form alloys among themselves because their atomic size are nearly the same.
The hydride ion is isoelectronic with:
Answer: B. Li+ The hydride ion is isoelectronic with Li+.
Answer: B. Li+
See lessThe hydride ion is isoelectronic with Li+.
Graphite is a good conductor of electricity because it contains:
Answer: C. Mobile electrons Graphite is a good conductor of electricity because it contains mobile electrons.
Answer: C. Mobile electrons
See lessGraphite is a good conductor of electricity because it contains mobile electrons.
Second electron gain enthalpy
Answer: B. Is always positive Second electron gain enthalpy is always positive.
Answer: B. Is always positive
See lessSecond electron gain enthalpy is always positive.
The physical properties of vanadium are closely related to
Answer: D. Niobium The physical properties of vanadium are closely related to niobium.
Answer: D. Niobium
See lessThe physical properties of vanadium are closely related to niobium.
Which of the following pairs has similarities in their properties
Answer: Both B and D The following pairs has similarities in their properties both Mo, W and Nb, Ta.
Answer: Both B and D
See lessThe following pairs has similarities in their properties both Mo, W and Nb, Ta.